Rechargeable battery pack



FIG. 1 is a front perspective view of the rechargeable batter pack ofour design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof, the left side view being a mirrorimage of the right side view;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof.

The ornamental design for a rechargeable battery pack, as shown anddescribed.